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Fatigue and Efficiency : A Study in Industry ...
by Goldmark, Josephine Clara; Lee, Frederic S. (CON)
ISBN: 9781437127041
Copyright:
Paperback
by Goldmark, Josephine Clara; Lee, Frederic S.
ISBN: 9781437254358
Hardcover
Child Labor Legislation
by Goldmark, Josephine Clara
ISBN: 9781120175199